package com.itheima.stock.mapper;

import com.itheima.stock.entity.SysUser;
import org.apache.ibatis.annotations.Mapper;


/**
 * @author 28188
 */
@Mapper
public interface SysUserMapper {

    /**
     * 根据用户名查询用户信息
     *
     * @param username 用户名
     * @return 用户信息
     */
    SysUser selectByUsername(String username);
}




